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Fine Jewelry University Articles matching: “quality of cut”
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Fine Jewelry University (Show All FJU Articles)
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The Magic of Polarized Light
… lens/filters: Polarizing lens filters reduce reflections, darken skies, and cuts out glare to help improve photo quality. Some filters can even be rotated on the lens to selectively see through the surface of water or only capture the … only allows one angle to pass through at a time. This helps confirm that a stone is doubly refractive and not just cut with unusual, doubled facet junctions. The Elegance of the Polariscope Another gemological tool that uses polarized …
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Gem in the Spotlight: Amethyst
… on the world market are now believed to be synthetic. This is a fairly recent discovery as many low cost, high quality, deeply colored amethysts are now appearing in inexpensive jewelry. Because the cost of testing is higher than the cost … the natural stones it is not often performed. Beware of stones of perfect clarity, calibrated sizes, and precision cutting. Notable Stones One of the most famous amethyst stones is in The Morris Amethyst Brooch which is set with a large…
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Gem in the Spotlight: Jade
…to 50 carvers to make. Because of the incredible detail, many of these centuries old carvings are still unmatched in quality to this day. Across the world, jadeite symbolizes prosperity, success, and good luck. The traditional jade flat disc…Jade has one of the richest heritages of all gemstones. People have been using jade from as early as 6,000 BC, and it has been an … green, orangey-red, black, and yellowish green. Jadeite can come in many different colors including pink, purple (often called lavender jade), blue, black, white, and the most valuable/desirable color: a vibrant green. The finest of …
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Gem in the Spotlight: Opal
… opal is quite large, weighing approximately 180 carats (36 grams) and measuring 3 x 1.8 inches long. Its size and quality make it an exceptionally valuable gemstone. Care and Cleaning While opal’s enchanting colors may seem otherworldly, it… doublets, a lapidarist will use a piece of ironstone or black onyx and glue the fragile piece of opal to it before cutting and leaving them glued together after the fact to be set into jewelry. In triplets, that thin piece of opal is …
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Types of Jewelry Clasps
…. Box Clasp (Tongue and Groove Clasp) Commonly found on bracelets and larger necklaces the box clasp is a high quality option that combines strength, aesthetics, and ease of use. A tubular “barrel” style of box clasp is often featured on …In the world of jewelry, there are a wide variety of clasps, each with its own purpose and unique design. Whether you are searching … about them, this article is for you. History of Jewelry Clasps Jewelry clasps are a small but important component of many types of jewelry like necklaces, bracelets, and anklets. Clasps allow for easy attachment and removal of the …
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Types of Necklace Chains
… look, but it also gives them great strength and makes them one of the easiest styles to repair. The links in quality cable chains are typically soldered closed. Avoid cable chains with open links as they can break easily. Depending on the … the most durable chain designs there is. Each twist on these chains reflects light easily and when they are diamond cut they are extremely sparkly. Although most chain styles can come in a hollow link version, for rope chains, hollow …
